Whey protein isolate, an isolated whey protein, is a protein supplement characterized by the fact that its protein content exceeds 90%. Contains very low or even zero percentage of carbohydrates, fat and lactose. It is an ideal choice for boosting any protein diet. Whey protein isolate supports the building of lean muscle mass and promotes the rapid recovery and reconstruction of muscle tissue. It is the richest source of branched chain amino acids (bcaa).